Cryptomator: Vault fails to mount in macOS Mojave

[moffat]

Description

in macOS Mojave, Cryptomator returns an "unexpected error" when trying to unlock a vault.

System Setup

• Operating system and version: macOS Mojave, 10.14.6
• Cryptomator version: 1.5.8
• Volume type: FUSE

Steps to Reproduce

1. Open cryptomator, attempt to open a vault by entering password.
2. [Second step]
3. [and so on…]

Expected Behavior

Vault will be mounted and revealed.

Actual Behavior

Cryptomator returns an "unexpected error"

Reproducibility

Always

Additional Information

Error message:

org.cryptomator.common.vaults.Volume$VolumeException: Unable to mount Filesystem
    at org.cryptomator.common.vaults.FuseVolume.mount(FuseVolume.java:107)
    at org.cryptomator.common.vaults.FuseVolume.mount(FuseVolume.java:58)
    at org.cryptomator.common.vaults.Vault.unlock(Vault.java:129)
    at org.cryptomator.ui.unlock.UnlockWorkflow.attemptUnlock(UnlockWorkflow.java:103)
    at org.cryptomator.ui.unlock.UnlockWorkflow.call(UnlockWorkflow.java:80)
    at org.cryptomator.ui.unlock.UnlockWorkflow.call(UnlockWorkflow.java:43)
    at javafx.concurrent.Task$TaskCallable.call(Task.java:1425)
    at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
    at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
    at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.base/java.lang.Thread.run(Unknown Source)
Caused by: org.cryptomator.frontend.fuse.mount.CommandFailedException: ru.serce.jnrfuse.FuseException: Unable to mount FS
    at org.cryptomator.frontend.fuse.mount.MacMounter.mount(MacMounter.java:45)
    at org.cryptomator.common.vaults.FuseVolume.mount(FuseVolume.java:105)
    ... 12 more
Caused by: ru.serce.jnrfuse.FuseException: Unable to mount FS
    at ru.serce.jnrfuse.AbstractFuseFS.mount(AbstractFuseFS.java:287)
    at org.cryptomator.frontend.fuse.mount.MacMounter.mount(MacMounter.java:43)
    ... 13 more
Caused by: ru.serce.jnrfuse.FuseException: Unable to mount FS, return code = 1
    at ru.serce.jnrfuse.AbstractFuseFS.mount(AbstractFuseFS.java:283)
    ... 14 more

[moffat]

This bug can be close. For your reference, the problem was some kind of conflict with an existing installation of Mac FUSE. I uninstalled Mac FUSE use the Preference Pane option and cryptomator worked after that.